From patchwork Fri Aug 19 21:12:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 12949229 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D559C32771 for ; Fri, 19 Aug 2022 21:14:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349982AbiHSVO2 (ORCPT ); Fri, 19 Aug 2022 17:14:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231806AbiHSVO1 (ORCPT ); Fri, 19 Aug 2022 17:14:27 -0400 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6866C7E80A for ; Fri, 19 Aug 2022 14:14:26 -0700 (PDT) Received: by mail-ej1-x62a.google.com with SMTP id a7so11038513ejp.2 for ; Fri, 19 Aug 2022 14:14:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:references:cc:to:from :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc; bh=XN8Fhnia+RiwvuPKmGvKwSm6gbVuPj9Uos7pnCgzshw=; b=LBxR7hLFZLuTrfTZm9YXi0oJn7bp/IDy2floLNvMQMELuDyvzBGe2sN1FpbUJEX0tq LZiJbPPsWpmkyWounNmonv57I5Bij+eV9EwO0u9YtcS0rOZsUOVeoVGrazfesqSJ6qEY nRiaLcGnVHD6edigwwKeO6Kn3c94aWO7R347M/n7z9INvxcACjsDk681W7r22s6pw+Jr GyILTCDo0xC3qiglxzvmP9dhkEw6Xb3yKjnpTuikRtwh1s8wuQBfqC5LvcDxJwwBfeuJ Asa/wYIocvhXpFI5IM/6KYnkSqULm5+uDznPamdZqV9FzLaZOn9YR9dJ5p6PzjKxQLfL OuWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:references:cc:to:from :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc; bh=XN8Fhnia+RiwvuPKmGvKwSm6gbVuPj9Uos7pnCgzshw=; b=CiXlUH5NEpQkoHO8qCD2IpWAGMg1IXGC0xN7mnH77hf3/zhVI0Jasa419Q9SpebqCA n6OUpYSjy7OCuk5j8ukZ3QZBmQ4eVgu9qgDCUHQTkOTap40ZqIn5oyKG1ZDVlFstF2M9 HHaP9N1gOa5QTqgHklnr3TopEIrcvMOAwmCT2oKWNEdgnA2NvVtpoClViekPx7mdvmYL /y+QpHrD1/TOvUcQZNOxxT0azwGM1yIu7u5kxRxUDv2DoASwtM3oITyKvQT35DVBH/0+ hh/LmjFR8IuVK13LRvCG9BrSggNeO8d2AnvJOyvfy0llTuxuaJZ2lorkbOdTzrvGDJbc HODA== X-Gm-Message-State: ACgBeo2FyNQ/hgOpXGdpt9F+SzAcEsJS7c0FALsts+5Hj4G1JMBRTU2C dPVEkTJMOzkvm/LdUcn9pqTsYNiiRoE= X-Google-Smtp-Source: AA6agR7mAT5dFb/lyg08h4fwzJD+3e+be+cF1wbAXMyl8vh3yHWQXbTayQ5Mhsz54dTxv9dn04i2xg== X-Received: by 2002:a17:907:2cd5:b0:731:6a6b:209b with SMTP id hg21-20020a1709072cd500b007316a6b209bmr5945965ejc.315.1660943664672; Fri, 19 Aug 2022 14:14:24 -0700 (PDT) Received: from ?IPV6:2a01:c23:c5ac:3600:6819:de7b:5db7:493? (dynamic-2a01-0c23-c5ac-3600-6819-de7b-5db7-0493.c23.pool.telefonica.de. [2a01:c23:c5ac:3600:6819:de7b:5db7:493]) by smtp.googlemail.com with ESMTPSA id l25-20020aa7d959000000b0043cf0d56a61sm3685872eds.8.2022.08.19.14.14.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 19 Aug 2022 14:14:24 -0700 (PDT) Message-ID: Date: Fri, 19 Aug 2022 23:12:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: [PATCH v2 1/2] mmc: meson-gx: adjust and revive constant IRQ_EN_MASK Content-Language: en-US From: Heiner Kallweit To: Ulf Hansson , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: "linux-mmc@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "open list:ARM/Amlogic Meson..." References: In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Constant IRQ_EN_MASK has no user currently. In preparation of adding SDIO interrupt support, revive it and adjust it to our needs. Signed-off-by: Heiner Kallweit --- v2: - patch added to series --- drivers/mmc/host/meson-gx-mmc.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index dbc9fac8f..9a4da2544 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -101,8 +101,7 @@ #define IRQ_RESP_STATUS BIT(14) #define IRQ_SDIO BIT(15) #define IRQ_EN_MASK \ - (IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN | IRQ_RESP_STATUS |\ - IRQ_SDIO) + (IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN) #define SD_EMMC_CMD_CFG 0x50 #define SD_EMMC_CMD_ARG 0x54 @@ -940,17 +939,16 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id) struct meson_host *host = dev_id; struct mmc_command *cmd; struct mmc_data *data; - u32 irq_en, status, raw_status; + u32 status, raw_status; irqreturn_t ret = IRQ_NONE; - irq_en = readl(host->regs + SD_EMMC_IRQ_EN); raw_status = readl(host->regs + SD_EMMC_STATUS); - status = raw_status & irq_en; + status = raw_status & IRQ_EN_MASK; if (!status) { dev_dbg(host->dev, - "Unexpected IRQ! irq_en 0x%08x - status 0x%08x\n", - irq_en, raw_status); + "Unexpected IRQ! irq_en 0x%08lx - status 0x%08x\n", + IRQ_EN_MASK, raw_status); return IRQ_NONE; } @@ -1230,10 +1228,8 @@ static int meson_mmc_probe(struct platform_device *pdev) /* clear, ack and enable interrupts */ writel(0, host->regs + SD_EMMC_IRQ_EN); - writel(IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN, - host->regs + SD_EMMC_STATUS); - writel(IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN, - host->regs + SD_EMMC_IRQ_EN); + writel(IRQ_EN_MASK, host->regs + SD_EMMC_STATUS); + writel(IRQ_EN_MASK, host->regs + SD_EMMC_IRQ_EN); ret = request_threaded_irq(host->irq, meson_mmc_irq, meson_mmc_irq_thread, IRQF_ONESHOT,